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Good day developers, i'm just trying to fill my drop down filter with a set of non repeated categories that several products in my app have , all the logic about the drop down is already set but due to the characteristic of my Json object is kind of hard for me to get a set of unique categories values on iteration over it. More or less its structure would be like this:

Bit stuck.

I'm trying to work out how to get the bitmask values from a const with go enumeration. For example, if key is 5, which is 0101 bits, it would be dog and fish. What is the easiest way to get the bit values (1,2,4,8,16, 32, 64 etc) so I can select the string values and return the set of animals?

I have the following data frame:

I want to find name where the age is greater than n percent of all values in some year. Here's the table:

There must be an easier/automatic way to do this? I need to keep the ^^ delimiter and under 200 characters.

I have a large dataframe (50+ columns). I get each row in different order of columns and I need to add a new row to the dataframe but this new row should update the right columns.

For example, I have a df: